Healthcare Error Code
Healthcare Insurance / Medical Billing
Authorization / Medical Necessity
CO-178 | Claim did not contain sufficient information
Industry
Healthcare
Canonical
/healthcare/error-codes/co-178/
Last Updated
Feb 25, 2026
Summary
This code indicates that the claim lacked sufficient information to support adjudication.
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What This Code Means
CO-178 is applied when submitted claim data does not provide enough information for the payer to determine coverage or payment. This is an administrative completeness issue rather than a coverage denial. The service may be eligible once sufficient information is provided. The code supports other adjustment or remark codes explaining the deficiency.
Where Users Usually See This Code
- Remittance advice
- Claim status notices
- EOB remarks
Why This Code Appears
- Incomplete service or diagnosis information
- Missing supporting details
- Insufficient data for policy review
What Typically Happens Next
- Claim processing is delayed or denied
- Reprocessing may be required
- Payment is not finalized
What This Code Is Not
- It is not a non-covered service decision
- It is not a duplicate claim indicator
- It is not a contractual adjustment
Troubleshooting Checklist
- □ Review payer information requirements
- □ Confirm completeness of claim data
- □ Monitor claim status
Notes And Edge Cases
Information sufficiency standards vary by payer and service. Automated systems may flag borderline cases.
Related Codes
8 links
- CO-16 CodeClaim lacks required information
- N432 CodeMissing/incomplete information
- CO-133 CodeIncorrect provider type
- CO-109 CodeClaim not covered by this payer
- CO-22 CodeCare may be covered by another payer
- CO-31 CodePatient cannot be identified
- CO-33 CodeInsufficient documentation
- CO-62 CodeNot covered for place of service
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